1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/4 1/2+(-2/3)-(-4/5)+(-1/2) 这几题怎么写?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 02:53:13
1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/4 1/2+(-2/3)-(-4/5)+(-1/2) 这几题怎么写?
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1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/4 1/2+(-2/3)-(-4/5)+(-1/2) 这几题怎么写?
1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/
1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/4 1/2+(-2/3)-(-4/5)+(-1/2) 这几题怎么写?

1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/1+1/7-(-3/7) 2.5-4+(-1/2) -1/3+1/2+1/4 1/2+(-2/3)-(-4/5)+(-1/2) 这几题怎么写?